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参考中文标题:
非对比磁共振成像在肩关节联合。第二部分。肩关节不稳定和唇眼泪。 [审查] [ 46参]
PMID及链接:
15375633 http://www.syyxw.com/Archive/Detail/15375633
摘 要:
MR imaging of the shoulder without contrast is frequently used for evaluation of glenohumeral instability in spite of the popularity of MR arthrography. With proper imaging technique, familiarity with normal anatomy and variants as well as knowledge of the expected pathologic findings high diagnostic accuracy may be achieved. [References: 46]
参考中文摘要:
磁共振成像的肩膀没有相反常常是用于评价肩关节不稳定尽管流行的MR关节造影。有了适当的成像技术,熟悉正常解剖和变异,以及知识的预期病理诊断准确率高的结果可能会实现。 [参考文献: 46 ]
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参考中文标题:
交叉综合征:磁共振成像与解剖比较远端前臂。
PMID及链接:
15365785 http://www.syyxw.com/Archive/Detail/15365785
摘 要:
OBJECTIVE: To correlate the anatomic and MR imaging characteristics of the area of intersection of the first and the second dorsal extensor tendon compartments (DETC) in the distal forearm in an attempt to improve the design of MR imaging protocols used for the evaluation of intersection syndrome. DESIGN AND PATIENTS: Ten forearms of nine cadavers underwent MR imaging in the axial and sagittal-oblique planes before and after tenography with direct injection of a gadolinium-containing contrast agent into the first DETC in four forearms, the second DETC in four forearms, and both compartments in the remaining two forearms. The area of intersection between the first and second DETC was identified in each case as well as its distance from Lister's tubercle. Subsequently all forearms were sectioned in the axial (8 forearms) or sagittal-oblique planes (2 remaining forearms) to parallel the imaging planes. Detailed examination of each of the anatomic slices was performed in a search for anatomic variations and for possible anatomic connections of the tendons sheaths. One forearm was dissected to identify the area of intersection. RESULTS: The area of intersection between the first and second DETC occurred between 3.5 cm and 4.8 cm (mean 4.18 cm) proximal to Lister's tubercle. After tenography, gadolinium solution was noted in the third DETC in two of four specimens in which the second DETC was injected and in one of two specimens in which both the first and second DETC were injected. Extension of the gadolinium solution between the first and second DETC was noted during isolated injections of either compartment, although this finding may have related to iatrogenic injection effects. The axial plane was the most valuable for assessment of the area of intersection of the first and second DETC. CONCLUSION: MR imaging is a noninvasive method that can be used for the evaluation of distal forearm and wrist pain. Standard wrist protocols do not include the area of intersection between the first and second DETC and, in those cases in which intersection syndrome is suspected, the MR examination must be tailored to include the forearm.
参考中文摘要:
目的:关联的解剖和磁共振成像特点的交叉领域的第一次和第二次背侧伸肌腱舱室( DETC )远端前臂试图改善设计磁共振成像议定书用于评估交叉综合征。设计与患者: 10前臂标本进行9磁共振成像中的轴向和矢状斜飞机之前和之后tenography直接注射含钆类造影剂进入第一DETC四个前臂,第二DETC四个前臂,和两个舱室其余的两个前臂。地区之间的交叉关系的第一和第二DETC是在每种情况下确定以及距离李斯特的结节。后来所有的前臂被切片的轴向( 8前臂)或矢状斜架( 2其余前臂)平行成像飞机。详细审查每一个解剖片是在寻找解剖变异和可能的解剖连接肌腱鞘。一前臂解剖,以确定该地区的十字路口。结果:之间的交叉领域的第一次和第二次DETC之间发生3.5厘米和4.8厘米(平均四点一八厘米)近端李斯特的结节。经过tenography ,钆的解决办法是指出在第三DETC四个中的两个标本,其中第二DETC注入和两个标本,其中第一和第二DETC注射。延长钆解决方案之间的第一次和第二次DETC与会者在孤立或者注射室,尽管这一结果可能与医源性注射的效果。轴向飞机是最有价值的评价的交叉领域的第一次和第二次DETC 。结论:磁共振成像是一种无创性方法,可用于评价远端前臂和手腕疼痛。标准手腕协议不包括之间的交叉领域的第一次和第二次DETC ,并在这些案件中,交叉综合征是怀疑的MR检查必须适应包括前臂。
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参考中文标题:
局灶性溶骨在全髋关节置换术: CT表现。
PMID及链接:
15503010 http://www.syyxw.com/Archive/Detail/15503010
摘 要:
OBJECTIVE: To describe the CT findings of focal osteolysis following total hip replacement (THR). DESIGN AND PATIENTS: CT imaging features of 30 THRs with focal osteolysis visualized on follow-up radiographs and undertaken revision surgery were reviewed. On CT scans, the shape and anatomic location of osteolytic lesions was recorded, as well as their size and number. The presence of cortical disruption or expansion, liner wear, metallosis, and heterotopic ossification was also noted. In each case, surgical and histologic findings were correlated with imaging features. RESULTS: Focal osteolysis was common in the superior part of acetabular and femoral components. CT features of focal osteolysis were multiple, expansile, oval, or round radiolucencies, which were conglomerated into multilobular shape. The cortex adjacent to the osteolytic lesions revealed irregular thinning and discontinuity (29/30, 97%) accompanied by a few tiny fragments. Liner wear was common (27/30, 90%), and metallosis was frequent (8/30, 26.7%). Pathologic results were foreign body reaction in 20 patients, chronic inflammation in eight, and fibrosis in two. CONCLUSION: CT appearances of focal osteolysis following THR are multilobulated lucent areas with expansile periosteal reaction and cortical abnormalities, mimicking infection or tumor. We consider that CT is useful for the prediction and assessment of the nature and extent of focal osteolysis.
参考中文摘要:
目的:描述了CT检查后局灶性溶骨全髋关节置换术(术) 。设计与患者: CT影像学特征的30 THRs局灶性溶骨可视化的后续行动X光片,并进行修订手术进行了审查。 CT扫描,形状和解剖位置的溶骨性病变的记录,以及他们的大小和数量。在场的情况下皮质中断或扩建,衬垫磨损, metallosis ,和异位骨化还指出。在每一种情况下,手术和病理结果与影像学特征。结果:局灶性溶骨是共同的上级部分髋臼及股骨组件。 CT特征联络溶骨是多种多样的,膨胀,椭圆形,或圆形radiolucencies ,这是conglomerated到multilobular形状。皮质旁不规则的溶骨性病变显示间伐和连续性( 29/30 , 97 % )伴随着一些微小的碎片。缸套磨损很常见(三十○分之二十七, 90 % ) ,和metallosis是频繁( 8月30日, 26.7 % ) 。病理结果异物反应20例,慢性炎症8 ,和纤维化的两个。结论: CT表现局灶性溶骨以下术是multilobulated朗讯地区膨胀骨膜反应和皮质异常,模仿感染或肿瘤。我们认为, CT是有益的预测和评估的性质和程度的局灶性骨溶解。
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参考中文标题:
Pseudoanaplastic肿瘤骨。
PMID及链接:
15365783 http://www.syyxw.com/Archive/Detail/15365783
摘 要:
OBJECTIVE: To discuss the concept of pseudoanaplastic tumors of bone, which pathologically show hyperchromatism and marked pleomorphism with quite enlarged, pleomorphic nuclei, but with no to extremely rare, typical mitoses, and to propose guidelines for their diagnosis. DESIGN AND PATIENTS: From a database of 4,262 bone tumors covering from 1971 to 2001, 15 cases of pseudoanaplastic bone tumors (0.35% of total) were retrieved for clinical, radiographic and pathologic review. Postoperative follow-up after surgical treatment was at least 3 years and a maximum of 7 years. RESULTS: There were eight male and seven female patients. Their ages ranged from 10 to 64 years with average of 29.7 years. Pathologic diagnoses of pseudoanaplastic variants of benign bone tumors included: osteoblastoma (4 cases), giant cell tumor (4 cases), chondromyxoid fibroma (3 cases), fibrous dysplasia (2 cases), fibrous cortical defect (1 case) and aneurysmal bone cyst (1 case). Radiography of all cases showed features of a benign bone lesion. Six cases, one case each of osteoblastoma, fibrous dysplasia, aneurysmal bone cyst, chondromyxoid fibroma, giant cell tumor and osteoblastoma, were initially misdiagnosed as osteosarcoma. The remaining cases were referred for a second opinion to rule out sarcoma. CONCLUSIONS: Despite the presence of significant cytologic aberrations, none of our cases showed malignant behavior following simple curettage or removal of bony lesions. Our observation justifies the concept of pseudoanaplasia in some benign bone tumors as in benign soft tissue tumors, especially in their late evolutionary stage when bizarre cytologic alterations strongly mimic a sarcoma.
参考中文摘要:
目的:探讨概念pseudoanaplastic骨肿瘤,而病理显示hyperchromatism和多形性有相当显着扩大,多形核,但由于没有以极其罕见的,典型的有丝分裂,并提出指导方针的诊断。设计与患者:从资料库中4262骨肿瘤涵盖71年至2001年, 15例pseudoanaplastic骨肿瘤(占0.35 % )是取自于临床,影像学及病理审查。术后随访手术治疗后,至少3年,最长为7年。结果:有8个男子和7名女性病人。他们的年龄介于10至64岁,平均29.7岁。病理诊断的pseudoanaplastic变种良性骨肿瘤包括:骨母细胞瘤( 4例) ,巨细胞瘤( 4例) ,软骨粘液样纤维瘤( 3例) ,骨纤维异常增殖症( 2例) ,纤维性皮质骨缺损( 1例)和动脉瘤样骨囊肿( 1例) 。 X线摄影的所有案件显示功能良性骨病变。 6起案件中,每一个案件的骨母细胞瘤,骨纤维异常增殖症,动脉瘤样骨囊肿,软骨粘液样纤维瘤,骨巨细胞瘤和骨母细胞瘤,最初被误诊为骨肉瘤。其余的案件被称为第二个意见,以排除肉瘤。结论:尽管存在重大细胞学异常,但我们的情况表明恶性行为简单刮除或取消骨病变。我们的观察证明的概念, pseudoanaplasia在某些良性骨肿瘤为良性软组织肿瘤,特别是在其后期进化阶段奇怪细胞学改建强烈模仿肉瘤。
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参考中文标题:
先天性垂直距骨在四代同一个家庭。
PMID及链接:
15368082 http://www.syyxw.com/Archive/Detail/15368082
摘 要:
OBJECTIVE: This paper presents four generations of a family with radiographically demonstrated congenital vertical talus (CVT) in whom a HOXD10 gene mutation was identified. Some members of the family with this mutation exhibited cavo-varus foot deformity consistent with a Charcot-Marie-Tooth (CMT)-like disorder. DESIGN AND PATIENTS: Physical examination was performed on nearly all of the affected and unaffected family members. DNA was extracted from blood obtained from 14 subjects who showed radiographic and clinical features of CVT (two of whom also had CMT), from two subjects with features of CMT but not CVT, and from 20 related family members who were clinically normal. RESULTS: Radiographs show the appearance of uncorrected CVT in infancy, in childhood, and in adulthood. DNA analysis revealed a mutation in a HOXD10 gene located on chromosome 2 in all of the affected but none of the unaffected family members. CONCLUSION: There is an autosomal-dominant-inherited mutation with complete penetrance which is found in all members of a pedigree with CVT, some of whom exhibit a CMT-like foot disorder. Radiologic findings vary depending on the severity of involvement, treatment provided and age of the patient.
参考中文摘要:
目的:本文介绍了四代家庭与X线表现出先天性垂直距骨(无级变速器)在其中HOXD10基因突变被确定。一些家庭成员的基因突变与此展出卡沃格,内翻足畸形符合腓骨肌萎缩(线程)样障碍。设计与患者:体格检查进行几乎所有受影响和未受影响的家庭成员。提取DNA ,从血液得到来自14个科目谁显示影像和临床特点无级变速器(其中两人还的CMT ) ,由两个主题与功能的CMT但无级变速器,和20个相关的家庭成员谁临床正常。结果: X线片显示外观裸无级变速器在婴儿期,童年和成年。 DNA分析表明,突变的HOXD10基因位于染色体上的2在所有受影响的,但没有受到影响的家庭成员。结论:有一个常染色体显性遗传突变完全外显率是在所有成员的家系电容式电压互感器,其中一些人表现出的CMT样英尺障碍。放射学研究结果有所不同程度的参与,提供治疗和年龄的病人。
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参考中文标题:
骨骼肌转移的子宫平滑肌肉瘤。
PMID及链接:
15127247 http://www.syyxw.com/Archive/Detail/15127247
摘 要:
A case of a 68-year-old woman who presented with a rapidly enlarging painful right thigh mass is presented. She had a known diagnosis of uterine leiomyosarcoma following a hysterectomy for dysfunctional uterine bleeding. She subsequently developed a single hepatic metastatic deposit that responded well to radiofrequency ablation. Whole-body MRI and MRA revealed a vascular mass in the sartorius muscle and a smaller adjacent mass in the gracilis muscle, proven to represent metastatic leiomyosarcoma of uterine origin. To our knowledge, metastatic uterine leiomyosarcoma to the skeletal muscle has not been described previously in the English medical literature.
参考中文摘要:
一位68岁女子谁提出一个迅速扩大痛苦的右大腿群众提出。她有一个已知的诊断子宫平滑肌肉瘤切除后功能失调性子宫出血。她随后制定了一个单一的肝转移存款答复以及射频消融。全身MRI和MRA显示血管大规模的缝匠肌和一个较小的邻近大规模的股薄肌,证明代表转移性平滑肌肉瘤子宫来源。据我们所知,转移性子宫平滑肌肉瘤的骨骼肌没有前面介绍的英文医学文献。
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参考中文标题:
多椎体流体流体的水平。
PMID及链接:
15338213 http://www.syyxw.com/Archive/Detail/15338213
摘 要:
We present a case of multiple vertebral metastases, with multiple fluid-fluid levels, from a moderately to poorly differentiated carcinoma of unknown origin. We suggest that fluid-fluid levels in multiple vertebral lesions are highly suggestive of bone metastases.
参考中文摘要:
我们提出一个案件多个椎体转移,多流体流动的水平,从一个中等低分化癌的来源不明。我们建议,流体流体各级多个椎体病变高度提示骨转移。
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参考中文标题:
炽性反应性骨膜炎的手中。
PMID及链接:
15248034 http://www.syyxw.com/Archive/Detail/15248034
摘 要:
Reactive periostitis of the hand can be a confounding lesion on both radiological and histological grounds. An erroneous diagnosis of a malignant tumor, particularly an osteosarcoma, is a possibility. Two cases of florid reactive periostitis of the hand mistaken for osteosarcoma are reported here to illustrate this entity and caution against a diagnostic pitfall.
参考中文摘要:
无骨膜炎手可以是一个困惑都放射性损伤及组织学的理由。一个错误的诊断恶性肿瘤,特别是骨肉瘤,是有可能的。两起炽性反应性骨膜炎的手误认为是骨肉瘤的报道来说明这一实体和告诫诊断陷阱。
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9
参考中文标题:
软骨样脂肪瘤的躯干: MRI表现和病理的相关性。
PMID及链接:
15133639 http://www.syyxw.com/Archive/Detail/15133639
摘 要:
Chondroid lipoma is a rare tumour of adipose tissue, bearing a strikingly close pathologic resemblance to myxoid liposarcoma and extraskeletal myxoid chondrosarcoma. Unlike these malignant tumours, chondroid lipoma has a non-aggressive behaviour and does not require radical treatment. Although repeatedly reported in the proximal extremities and limb girdles, this rare entity may less frequently be observed in the trunk. We describe the imaging findings of a chondroid lipoma in the trunk and provide a discussion on the radiologic-pathologic correlation and differential diagnosis.
参考中文摘要:
软骨样脂肪瘤是一种罕见的肿瘤的脂肪组织,承担着极其密切的病理相似黏液脂肪肉瘤和外粘液样软骨肉瘤。与这些恶性肿瘤,软骨脂肪瘤的非侵略性的行为,并不需要彻底的治疗。虽然多次报告近端肢体和肢体腰带,这难得的实体可能不经常看到的躯干。我们描述了成像结果的软骨脂肪瘤中的主干,并提供一个讨论影像病理的相关性和鉴别诊断。
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10
参考中文标题:
软骨样脂肪瘤:相关的影像学表现和病理的不同寻常的良性病变。
PMID及链接:
15351916 http://www.syyxw.com/Archive/Detail/15351916
摘 要:
The imaging findings of soft tissue tumours are often non-specific and generally require biopsy to differentiate between benign and malignant lesions. The finding of curvilinear, annular or amorphous mineralisation in an enlarging mass has sinister connotations. In this case report, we present the imaging findings with histological correlation of a chondroid lipoma, an unusual benign soft tissue tumour, which presented with radiographic evidence of calcification, an imaging finding not previously described. We also describe the ultrasound appearance and certain MR imaging appearances that have not been previously attributed to this tumour in the few reported cases.
参考中文摘要:
成像结果的软组织肿瘤往往不具体,一般要求活检区分良,恶性病变。这一发现的环形,环形或非晶矿化在扩大群众的险恶内涵。在这种情况下,报告中,我们目前的影像学表现与组织学相关的软骨瘤,一个不寻常的良性软组织肿瘤,它提出的证据钙化影像,成像找到以前没有描述。我们还介绍了超声波的外观和某些磁共振成像表现,但没有以前归因于这个肿瘤在少数报告的案件。
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11
参考中文标题:
黄色瘤的骶骨。
PMID及链接:
15378288 http://www.syyxw.com/Archive/Detail/15378288
摘 要:
Xanthoma is a lesion containing abundant foamy histiocytes most commonly occurring in superficial soft tissues such as skin, subcutis, or tendon sheaths. The involvement of deep skeletal structures, however, is rare and has only been infrequently reported in the English literature. Most xanthomas occur in patients with hyperlipidemic disorders. We report a case of a xanthoma in the sacrum and ilium of a patient with hyperlipidemia type IIa, who had chronic lower back pain for more than 20 years. On radiographs the lesion appeared multiloculated and osteolytic with a thin sclerotic border and containing multiple nodular calcifications within its matrix. Computed tomographic images revealed a presacral soft-tissue mass that also infiltrated the adjacent sacroiliac joint and iliac fossa. On histologic examination, abundant areas of xanthoma cells and cholesterol clefts, typical of xanthoma, were present. The patient received simple curettage of the lesion, and his symptoms were markedly relieved.
参考中文摘要:
黄色瘤是一种含有丰富的泡沫病变最常见的组织球发生在浅表软组织,如皮肤,皮下组织,或肌腱鞘。参与深骨骼结构,但是,是罕见的,只是被很少报道的英文文献。多数黄色瘤发生高血脂症患者的疾病。我们报告一个黄色的骶骨和髂骨的高脂血症患者类型的国际投资协定,谁慢性腰痛20年以上。 X光片上的病灶出现multiloculated和溶骨薄硬化与边界和包含多个结节钙化在其基质。电脑断层影像显示,前软组织肿块,也渗透到邻近的骶髂关节和髂窝。在组织学检查,丰富地区的黄色瘤细胞和胆固醇裂隙,典型的黄色瘤,在场。患者接受简单的病灶刮除,他的症状明显缓解。
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